CN103904139A - Solar cell and module thereof - Google Patents
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- CN103904139A CN103904139A CN201310054378.5A CN201310054378A CN103904139A CN 103904139 A CN103904139 A CN 103904139A CN 201310054378 A CN201310054378 A CN 201310054378A CN 103904139 A CN103904139 A CN 103904139A
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- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 30
- 238000005304 joining Methods 0.000 claims description 16
- 238000005538 encapsulation Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 5
- 239000002002 slurry Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022433—Particular geometry of the grid contacts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
Abstract
A solar cell and a module thereof, the cell comprising: the display device comprises a substrate, a plurality of finger electrodes positioned on a light receiving surface of the substrate, a first bus electrode and a second bus electrode. The finger electrodes extend along a first direction and are arranged at intervals along a second direction perpendicular to the first direction. The first bus electrode and the second bus electrode are arranged at intervals along the first direction and respectively comprise a plurality of first electrode parts and a plurality of second electrode parts which are arranged at intervals along the second direction. The second electrode parts and the first electrode parts are staggered in position in the first direction and are connected with the finger electrodes so that the finger electrodes are electrically connected with each other. According to the invention, the consumption of the conductive paste of the bus electrode can be reduced through the design, so that the production cost is reduced, and meanwhile, the requirement of welding stability of the welding strip lead can be met.
Description
Technical field
The present invention relates to a kind of battery and module thereof, particularly relate to a kind of solar cell and module thereof.
Background technology
Known silicon wafer solar cell mainly comprises: one for becoming transform light energy the battery body of electric energy and a front electrode and a backplate for conduction current.Wherein, this front electrode comprises the finger electrode (finger bar electrode) of at least one elongated bus electrode (bus bar electrode) and multiple horizontal these bus electrodes of connection.This bus electrode and described finger electrode, on manufacturing, can be coated electrocondution slurry on the sensitive surface of this battery body by screen painting mode, and pass through sintering process and curing molding.
But along with the price of electrocondution slurry constantly raises, especially preferably silver-colored starch expensive of conductivity, the bus electrode that adds conventional batteries is continuous strip, its electrocondution slurry consumption is larger, cause the production cost of battery higher, therefore the structure that, how to improve this bus electrode is to save cost as an important topic.On the other hand, because after battery manufacture completes, must be welded on the bus electrode of battery with welding wire (ribbon) in addition, form battery modules multiple battery strings are run in to row.So in improvement bus electrode structure, also need to consider that whether the solder bond power between this bus electrode and described welding wire is enough, if adhesion is not good, just easily when the encapsulation module or when follow-up use, produce the problem of welding wire dropping, and then affect production reliability.
Summary of the invention
The object of the present invention is to provide a kind of production cost and good solar cell and module thereof of production reliability saved.
Solar cell of the present invention, comprising: one has the substrate of a sensitive surface and is positioned at the multiple finger electrodes on this sensitive surface, first bus electrode and second bus electrode.The plurality of finger electrode all extends along a first direction, and is spaced along the second direction of vertical this first direction.This first bus electrode comprises multiple along spaced the first electrode part of this second direction, this second bus electrode is spaced with this first bus electrode along this first direction, this second bus electrode comprises multiple along spaced the second electrode part of this second direction, and described the second electrode part and the position of described the first electrode part on this first direction are staggered.Each finger electrode connects in described the first electrode part and described the second electrode part.
Solar cell of the present invention, each first electrode part comprises along this second direction and a contrary first paragraph and the second segment arranging, each second electrode part comprises along this second direction and one the 3rd section of setting and one the 4th section on the contrary, the 3rd section of this second electrode part between wantonly two adjacent the first electrode parts is connected same finger electrode with the second segment of one first electrode part wherein, and the 4th section is connected same finger electrode with the first paragraph of another the first electrode part.
Solar cell of the present invention, each first electrode part also comprises first joining section between this first paragraph and this second segment, and this first paragraph is all greater than the length of this first joining section along this first direction along length and this second segment of this first direction along the length of this first direction; Each second electrode part also comprises second joining section between the 3rd section and the 4th section, and the 3rd section of length along this first direction and the 4th section of length along this first direction are all greater than the length of this second joining section along this first direction.
Solar cell of the present invention, each first electrode part comprises multiple the first line segments that connect bendingly continuously that are; Each second electrode part comprises multiple the second line segments that connect bendingly continuously that are.
Solar cell of the present invention, each first electrode part comprises and being multiplely spaced and the first conductive segment of all extending along this first direction and one extend and connect the second conductive segment of described the first conductive segment along this second direction along this second direction; Each second electrode part comprises and being multiplely spaced and the 3rd conductive segment that all extends along this first direction and one extend and connect the 4th conductive segment of described the 3rd conductive segment along this second direction along this second direction.
Solar cell module of the present invention, comprising: first sheet material being oppositely arranged and second sheet material and an encapsulation material between this first sheet material and this second sheet material.This solar cell module also comprises and is multiplely arranged between this first sheet material and this second sheet material and solar cell described above.This encapsulation material is coated on described solar cell around.
Beneficial effect of the present invention is: by the first bus electrode and second bus electrode of described innovation structure, replace the bus electrode that known strip and entirety are solid construction, can reduce electrocondution slurry consumption to reduce production costs, can also provide enough bonding area and solder bond power simultaneously, can take into account the demand of welding steadiness, to maintain the reliability of product.And described the first electrode part and the second electrode part interconnected, can be used for linking described finger electrode, and then form continuous current conduction path.
Accompanying drawing explanation
Fig. 1 is the partial schematic sectional view of one first preferred embodiment of solar cell module of the present invention;
Fig. 2 is the schematic top plan view of a solar cell of this first preferred embodiment;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the local schematic top plan view of a solar cell of one second preferred embodiment of solar cell module of the present invention;
Fig. 5 is the local schematic top plan view of a solar cell of one the 3rd preferred embodiment of solar cell module of the present invention;
Fig. 6 is the local schematic top plan view of a solar cell of one the 4th preferred embodiment of solar cell module of the present invention;
Fig. 7 is the local schematic top plan view of a solar cell of one the 5th preferred embodiment of solar cell module of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail, is noted that in the following description content, and similarly element is to represent with identical numbering.
Consult Fig. 1, Fig. 2, Fig. 3, the first preferred embodiment of solar cell module of the present invention comprises: one first sheet material 1 being oppositely arranged up and down and one second sheet material 2, multiple array are arranged in solar cell 3 between this first sheet material 1 and this second sheet material 2 and are at least onely positioned between this first sheet material 1 and this second sheet material 2 and are coated on described solar cell 3 encapsulation material 4 around.
This first sheet material 1 is not particularly limited on the implementation with this second sheet material 2, can use glass or plastic sheet, and the sheet material that is positioned at a side of battery sensitive surface is necessary for light-permeable.The material of this encapsulation material 4 is for example the ethylene-vinyl acetate copolymer (EVA) of light-permeable, can certainly use other to be applicable to the material of encapsulation.
Described solar cell 3 is electrically connected by the unshowned welding wire of figure (ribbon).The structure of described solar cell 3 is all identical, below only describes as an example of one of them example.
This solar cell 3 comprises: a substrate 31, multiple finger electrode 32, one first bus electrode 33, one second bus electrode 34 and two outside finger electrodes 32 '.
This substrate 31 has a contrary sensitive surface 311 and a back side (not shown), is in fact also provided with the unshowned emitter layer of figure in the inner side at these sensitive surface 311 places, and an anti-reflecting layer also can be set in addition on this emitter layer.Wherein, for example silicon substrate of this substrate 31, and one of them of this substrate 31 and this emitter layer be N-shaped semiconductor, another is p-type semiconductor, and then formation p-n junction.The material of this anti-reflecting layer is for example silicon nitride, can be used for reducing light and reflects to improve into light quantity.Due to the non-improvement emphasis of the present invention of this substrate 31, this emitter layer and this anti-reflecting layer, so no longer explanation.
These two outside finger electrodes 32 ' are positioned on the sensitive surface 311 of this substrate 31, and all extend along a first direction 51, and these two outside finger electrodes 32 ' are spaced along the second direction 52 of vertical this first direction 51 each other.
Described finger electrode 32 is also positioned on the sensitive surface 311 of this substrate 31, and is positioned between these two outside finger electrodes 32 '.Described finger electrode 32 all extends along this first direction 51, and described finger electrode 32 is spaced along this second direction 52 each other.
This first bus electrode 33 is positioned on this sensitive surface 311 and comprises multiple along spaced the first electrode part 35 of this second direction 52.Each first electrode part 35 comprises along this second direction 52 and a contrary first paragraph 351 and first joining section 353 of a second segment 352 and between this first paragraph 351 and this second segment 352 arranging.This first paragraph 351 is all greater than the length d 3 of this first joining section 353 along this first direction 51 along length d 1 and this second segment 352 of this first direction 51 along the length d 2 of this first direction 51.The d1=d2 of the present embodiment, but implement time be not limited to this.
Particularly, wherein one first electrode part 35 of the present embodiment is connected to wherein between an outside finger electrode 32 ' and first finger electrode 32.Other the first electrode part 35 is connected between n and n+1 finger electrode 32, n=2,4,6,8 ... Deng even number.Except being positioned at this first electrode part 35 between this outside finger electrode 32 ' and this first finger electrode 32, the first paragraph 351 of other each the first electrode parts 35 connects n finger electrode 32, and the second segment 352 of each the first electrode part 35 connects n+1 finger electrode 32.Described the first electrode part 35 is similar to hourglass-shaped, and each first electrode part 35 is little by little to dwindle towards this first joining section 353 with this second segment 352 from this first paragraph 351 along the length of this first direction 51.
This second bus electrode 34 is positioned on this sensitive surface 311, and is spaced with this first bus electrode 33 along this first direction 51.This second bus electrode 34 comprises multiple along spaced the second electrode part 36 of this second direction 52, and described the second electrode part 36 is staggered with the position of described the first electrode part 35 on this first direction 51, that is to say, described the second electrode part 36 is positioned on the different straight lines that extend along this first direction 51 from described the first electrode part 35, makes whereby described finger electrode 32 be formed and to be electrically connected with the second electrode part 36 by described the first electrode part 35.
The structure of second electrode part 36 of the present embodiment is same as the first electrode part 35, and each second electrode part 36 comprises along this second direction 52 and contrary the 3rd section 361 and one the 4th section 362 and one the second joining section 363 between the 3rd section 361 and the 4th section 362 arranging.The 3rd section of 361 length d 4 along this first direction 51 and the 4th section 362 are all greater than the length d 6 of this second joining section 363 along this first direction 51 along the length d 5 of this first direction 51.The d4=d5 of the present embodiment, but implement time be not limited to this.
The 3rd section 361 of this second electrode part 36 between wantonly two adjacent the first electrode parts 35 of the present embodiment is connected same finger electrode with the second segment 352 of one first electrode part 35 wherein and is connected same finger electrode 32 with the first paragraph 351 of another the first electrode part 35 for 32, the four section 362.
Particularly, wherein one second electrode part 36 of the present embodiment is connected to wherein between an outside finger electrode 32 ' and last finger electrode 32.Other the second electrode part 36 is connected between m and m+1 finger electrode 32, m=1,3,5,7 ... Deng odd number.Except being positioned at this second electrode part 36 between this outside finger electrode 32 ' and this last finger electrode 32, the 3rd section 361 of other each the second electrode parts 36 connects m finger electrode 32, and the 4th section 362 of each the second electrode part 36 connects m+1 finger electrode 32.Described the second electrode part 36 is similar to hourglass-shaped, and each second electrode part 36 is little by little to dwindle towards this second joining section 363 with the 4th section 362 from the 3rd section 361 along the length of this first direction 51.
Can learn by illustrating above also, each finger electrode 32 of the present invention connects one of them in one of them and described the second electrode part 36 in described the first electrode part 35.
This solar cell 3 in fact also comprises that one is positioned at the back electrode (not shown) on the back side of this substrate 31, for coordinate output electric energy with this first bus electrode 33, the second bus electrode 34, outside finger electrode 32 ' and finger electrode 32, but due to the non-improvement emphasis of the present invention of this back electrode, so no longer explanation.
The present invention improves the structure of this first bus electrode 33 and the second bus electrode 34, both comprise respectively the first electrode part 35 and second electrode part 36 at described interval, replace the bus electrode that known strip and entirety are solid construction, can reduce the electrocondution slurry consumption of bus electrode to reduce production costs.
In addition, the hourglass-shaped design of class of each of the present embodiment the first electrode part 35 and the second electrode part 36, dwindle along the length of this first direction 51 with this second joining section 363 by this first joining section 353, also contribute to save slurry, and can also maintain at the same time this first paragraph 351, second segment 352, the 3rd section 361 and the 4th section of 362 length along this first direction 51, make the first electrode part 35 can have the enough strength that is connected with connected finger electrode 32 with the second electrode part 36 on the one hand, enough bonding area and solder bond power can be provided on the other hand, make follow-up this first bus electrode 33 that will be welded on can firmly weld and adhere to the welding wire on this second bus electrode 34.Thus, the present invention, in reducing production costs, can also take into account the demand of welding steadiness, makes the module after welding can pass through follow-up tensile test, to maintain the reliability of product.
What remark additionally is, after welding wire bonds, in fact there is described in connection the function of finger electrode 32 separately, but because welding wire may have part rosin joint, if the first electrode part 35 of the present invention and the second electrode part 36 do not form when interconnected,, the left and right, position of the first electrode part 35 and the second electrode part 36 is at once, and the position of welding wire rosin joint is while just in time dropping between two finger electrodes 32 that electrode part is not set each other, this two finger electrode 32 just cannot form electrical connection.
And the present invention is interconnected to be connected described finger electrode 32 by described the first electrode part 35 and the second electrode part 36, therefore this first bus electrode 33, the second bus electrode 34 form continuous conduction networking with described finger electrode 32, even if welding wire forms rosin joint between any two finger electrodes 32, the present invention still can provide continuous current conduction path by the first electrode part 35 and the second electrode part 36.For example, if the welding wire on this first bus electrode 33 in this first and second finger electrode 32 between when rosin joint, this first still can be connected by the second electrode part 36 with second finger electrode 32.This is quite innovation and practical structural design, has very large help for the application in industry.
Consult Fig. 4, the second preferred embodiment of solar cell module of the present invention and the structure of this first preferred embodiment are roughly the same, and different places is the first bus electrode 33 of this solar cell 3 and the structure of the second bus electrode 34.
The first paragraph 351 of first bus electrode 33 of the present embodiment and second segment 352 and the second bus electrode 34 the 3rd section 361 and the 4th section 362, not only connect described finger electrode 32 or outside finger electrode 32 ', but also give prominence to and stride across coupled finger electrode 32 or outside finger electrode 32 ' in this second direction 52.The present embodiment reaches effect identical with this first preferred embodiment equally, no longer illustrates at this.
Consult Fig. 5, the 3rd preferred embodiment of solar cell module of the present invention and the structure of this first preferred embodiment are roughly the same, different places are, first of the present embodiment the first electrode part 35 connects an outside finger electrode 32 ' and two finger electrodes 32, and other each first electrode parts 35 are all connected three finger electrodes 32 with each second electrode part 36.The present embodiment reaches effect identical with this first preferred embodiment equally, no longer illustrates at this.
From above-mentioned three embodiment, spirit of the present invention is that the first electrode part 35 and the position of the second electrode part 36 on this first direction 51 must stagger, and each finger electrode 32 connects one of them in one of them and described the second electrode part 36 in described the first electrode part 35, to guarantee that conductive path is coherent.But the present invention must not limit finger electrode 32 quantity that each first electrode part 35 is connected with each second electrode part 36, must not limit the shape of the first electrode part 35 and the second electrode part 36 yet, both shapes can be identical can be not identical yet, can certainly be other shapes, below describe by other embodiment.
Consult Fig. 6, the 4th preferred embodiment of solar cell module of the present invention and the structure of this first preferred embodiment are roughly the same, and different places are: each of the present embodiment the first electrode part 35 comprises multiple the first line segments 354 that connect bendingly continuously that are.Each second electrode part 36 comprises multiple the second line segments 364 that connect bendingly continuously that are.The above-mentioned design of the first electrode part 35 can lengthen its development length, increase conductive path, and can make there is enough large contact area between this first electrode part 35 and substrate 31, and contribute to increase the adhesive force of this first electrode part 35, also can provide welding wire enough solder bond power simultaneously.In like manner, the structure of the second electrode part 36 also has identical effect.
Consult Fig. 7, the 5th preferred embodiment of solar cell module of the present invention and the structure of this first preferred embodiment are roughly the same, and different places are: each of the present embodiment the first electrode part 35 comprises and being multiplely spaced and the first conductive segment 355 of all extending along this first direction 51 and extends and connect the second conductive segment 356 of described the first conductive segment 355 along this second direction 52 along this second direction 52.Each second electrode part 36 comprises and being multiplely spaced and the 3rd conductive segment 365 that all extends along this first direction 51 and extends and connect the 4th conductive segment 366 of described the 3rd conductive segment 365 along this second direction 52 along this second direction 52.
Each of the present embodiment the first electrode part 35 is by the design of described the first conductive segment 355, can increase the conductive path of this first electrode part 35, and can make there is enough large contact area between this first electrode part 35 and substrate 31, contribute to increase the adhesive force of this first electrode part 35 on this substrate 31 and provide welding wire enough solder bond power.In like manner, the structure of the second electrode part 36 also has identical effect.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any those skilled in the art all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, every those skilled in the art, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (6)
1. a solar cell, comprise: one has the substrate of a sensitive surface, be positioned at the multiple finger electrodes on this sensitive surface, first bus electrode and second bus electrode, the plurality of finger electrode all extends along a first direction, and the second direction along vertical this first direction is spaced, it is characterized in that, this first bus electrode comprises multiple along spaced the first electrode part of this second direction, this second bus electrode is spaced with this first bus electrode along this first direction, this second bus electrode comprises multiple along spaced the second electrode part of this second direction, and described the second electrode part and the position of described the first electrode part on this first direction are staggered, each finger electrode connects in described the first electrode part and described the second electrode part.
2. solar cell as claimed in claim 1, it is characterized in that, each first electrode part comprises along this second direction and a contrary first paragraph and the second segment arranging, each second electrode part comprises along this second direction and one the 3rd section of setting and one the 4th section on the contrary, the 3rd section of this second electrode part between wantonly two adjacent the first electrode parts is connected same finger electrode with the second segment of one first electrode part wherein, the 4th section of this second electrode part between wantonly two adjacent the first electrode parts is connected same finger electrode with the first paragraph of another the first electrode part.
3. solar cell as claimed in claim 2, it is characterized in that, each first electrode part also comprises first joining section between this first paragraph and this second segment, and this first paragraph is all greater than the length of this first joining section along this first direction along length and this second segment of this first direction along the length of this first direction; Each second electrode part also comprises second joining section between the 3rd section and the 4th section, and the 3rd section of length along this first direction and the 4th section of length along this first direction are all greater than the length of this second joining section along this first direction.
4. solar cell as claimed in claim 1, is characterized in that, each first electrode part comprises multiple the first line segments that connect bendingly continuously that are; Each second electrode part comprises multiple the second line segments that connect bendingly continuously that are.
5. solar cell as claimed in claim 1, it is characterized in that, each first electrode part comprises and being multiplely spaced and the first conductive segment of all extending along this first direction and one extend and connect the second conductive segment of described the first conductive segment along this second direction along this second direction; Each second electrode part comprises and being multiplely spaced and the 3rd conductive segment that all extends along this first direction and one extend and connect the 4th conductive segment of described the 3rd conductive segment along this second direction along this second direction.
6. a solar cell module, comprise: first sheet material being oppositely arranged and second sheet material and an encapsulation material between this first sheet material and this second sheet material, it is characterized in that, this solar cell module also comprises multiple solar cells that are arranged between this first sheet material and this second sheet material and as described in any one claim in claim 1 to 5, and this encapsulation material is coated on described solar cell around.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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TW101150598 | 2012-12-27 | ||
TW101150598A TWI478364B (en) | 2012-12-27 | 2012-12-27 | Solar cell and module comprising the same |
Publications (2)
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CN103904139A true CN103904139A (en) | 2014-07-02 |
CN103904139B CN103904139B (en) | 2016-08-17 |
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CN201310054378.5A Expired - Fee Related CN103904139B (en) | 2012-12-27 | 2013-02-20 | solar cell and module thereof |
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CN (1) | CN103904139B (en) |
TW (1) | TWI478364B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104576781A (en) * | 2015-01-27 | 2015-04-29 | 苏州阿特斯阳光电力科技有限公司 | Solar cell |
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TW426876B (en) * | 1999-06-29 | 2001-03-21 | United Semiconductor Corp | Exposure method of photomask and the pattern of the same |
TW201029199A (en) * | 2009-01-22 | 2010-08-01 | Gloria Solar Co Ltd | Method of installing plastic solar module |
US20100243024A1 (en) * | 2009-03-31 | 2010-09-30 | Sanyo Electric Co., Ltd | Solar cell, solar cell module and solar cell system |
CN202076273U (en) * | 2011-04-30 | 2011-12-14 | 常州天合光能有限公司 | Crystalline silicon solar cell main grid structure |
TWM426876U (en) * | 2011-11-07 | 2012-04-11 | Motech Ind Inc | Solar cell |
-
2012
- 2012-12-27 TW TW101150598A patent/TWI478364B/en not_active IP Right Cessation
-
2013
- 2013-02-20 CN CN201310054378.5A patent/CN103904139B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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TW426876B (en) * | 1999-06-29 | 2001-03-21 | United Semiconductor Corp | Exposure method of photomask and the pattern of the same |
TW201029199A (en) * | 2009-01-22 | 2010-08-01 | Gloria Solar Co Ltd | Method of installing plastic solar module |
US20100243024A1 (en) * | 2009-03-31 | 2010-09-30 | Sanyo Electric Co., Ltd | Solar cell, solar cell module and solar cell system |
CN202076273U (en) * | 2011-04-30 | 2011-12-14 | 常州天合光能有限公司 | Crystalline silicon solar cell main grid structure |
TWM426876U (en) * | 2011-11-07 | 2012-04-11 | Motech Ind Inc | Solar cell |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104576781A (en) * | 2015-01-27 | 2015-04-29 | 苏州阿特斯阳光电力科技有限公司 | Solar cell |
Also Published As
Publication number | Publication date |
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CN103904139B (en) | 2016-08-17 |
TWI478364B (en) | 2015-03-21 |
TW201427048A (en) | 2014-07-01 |
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